【英文标准名称】:Graphictechnology-Spectralmeasurementandcolorimetriccomputationforgraphicartsimages
【原文标准名称】:图形技术.图形工艺图象的光谱测量和比色计算
【标准号】:ANSICGATS.5-2003Supplement1-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Colorimetric;Computation;Computergraphics;Graphic;Graphicarts;Measurement;Spectral;Technology
【摘要】:Thisstandardestablishesamethodologyforreflectionandtransmissionspectralmeasurement,andcomputationofcolorimetricparametersforgraphicartsimages.Supplement1modifiesinformativeannexesFandG,andaddsanewinformativeannexI.
【中国标准分类号】:L81
【国际标准分类号】:35_140
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforFieldLeakTestingofPolyethylene(PE)PressurePipingSystemsUsingHydrostaticPressure
【原文标准名称】:使用静液压的聚乙烯压力管道系统的现场泄漏试验的标准实施规范
【标准号】:ASTMF2164-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F17.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:漏泄试验;聚乙烯;压力管;材料试验;塑料管
【英文主题词】:fieldleaktest;hydrostaticleaktest;leaktest;polyethylenepipe
【摘要】:1.1Thispracticeprovidesinformationonapparatus,safety,pre-testpreparation,andproceduresforconductingfieldtestsofpolyethylenepressurepipingsystemsbyfillingwithaliquidandapplyingpressuretodetermineifleaksexistinthesystem.1.2Thispracticedoesnotaddressleaktestingusingapressurizedgas(pneumatictesting).Forsafetyreasons,somemanufacturersprohibitorrestrictpneumaticpressuretestingoftheirproducts.Failureduringapressureleaktestcanbeexplosive,violent,anddangerous,especiallyifacompressedgasisused.Inacompressedgastest,boththepressurestressonthesystemandtheenergyusedtocompressthegasarereleasedatafailure.Contactcomponentmanufacturersforinformationabouttestingwithgasunderpressure.1.3Thispracticedoesnotapplytoleaktestingofnon-pressure,gravity-flow,negativepressure(vacuum),ornon-thermoplasticpipingsystems.Forfield-testingofplasticgravityflowsewerlines,seeTestMethodF1417.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitswhichareprovidedforinformationonlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.AdditionalsafetyinformationispresentedinSectionandthroughoutthisstandard.
【中国标准分类号】:P94
【国际标准分类号】:23_040_20
【页数】:5P.;A4
【正文语种】: